Prevent webview from showing "web page not available"

Apply the below Code,

WebView.setWebViewClient(new WebViewClient() {
    public void onReceivedError(WebView view, int errorCode, String description, String failingUrl) {
        WebView.loadUrl("file:///android_asset/myerrorpage.html");

    }
});

WebView Unicode Support

mWebView.loadDataWithBaseURL(null, "தமிழில் கணினி", "text/html", "utf-8", null);
OR
WebSettings settings = mWebView.getSettings();
settings.setDefaultTextEncodingName("utf-8");

How to write static HTML code in WebView control

Apply the below code,

webView = (WebView) findViewById(R.id.webView1);

webViewSettings = webView.getSettings();

webViewSettings.setJavaScriptCanOpenWindowsAutomatically(true);

webViewSettings.setJavaScriptEnabled(true);

webViewSettings.setBuiltInZoomControls(true);

webViewSettings.setPluginState(PluginState.ON);

webView.getSettings().setJavaScriptEnabled(true);

String data="<h1>welcome to Android example..Write your own HTML code here..</h1><br>";

webView.loadData(data, "text/html","utf-8");

How to enable Java Script in WebView

       myWebView = (WebView) findViewById(R.id.WebView1);
       WebSettings webSettings = myWebView.getSettings();
        webSettings.setJavaScriptEnabled(true);

How to Zoom out WebView content

        myWebView.setInitialScale(60);
        myWebView.getSettings().setLoadWithOverviewMode(true);
        myWebView.getSettings().setUseWideViewPort(true);

How to load a web page in webview control

WebView myWebView;      

myWebView = (WebView) findViewById(R.id.WebView1);
myWebView.loadUrl("http://www.google.com");

How to override 'web site not found' message in webview control

Add the following code inside of 'onCreate(Bundle savedInstanceState)' function,

 locationview.setWebViewClient(new WebViewClient()
{
   public void onReceivedError(WebView view, int errorCode, String description, String failingUrl)
  {
locationview.loadUrl("file:///assets/error.html");

  }  });

The above URL will be load if the web page not found in the webview control.